Electrically-heated chocolate-table.



H. W. SCHWIMMER.

ELECTRICALLY HEATED CHOCOLATE TABLE.

APPLICATION FILED novJ. 1914.

1,205,569. Patented Nov; 21, 1916.

INVENTOI? WI TNESSES:

HENRY W. SCHWIMMER, OE INDIANAPOLIS,

INDIANA, ASSIGNOR TO B. W. SCHWIMMER COMPANY, OF INDIANAPOLIS, INDIANA, A CORPORATIGN OF INDIANA.

ELECTRICALLY-HEATED CHOCOLATE-TABIE Specification of Letters latent.

Patented Nov. 21, 1916.

Application filed November 7, 1914. Serial No. 870,744.;

To all whom it may concern:

Be it known that I, HENRY lV. Sonwn. Mun, a'citizen of the' United States, residing at Indianapolis, in the county of Mariou and State of Indiana, have invented a new and useful Electrically-Heated Chocolate'lable, of which the following is a specification.

In the manufacture of chocolate-coated candy the centers, such as creams or nuts, are dipped into melted chocolate, and this chocolate must be maintained at a uniform temperature for the production of the better candies. 4 15. It is the object of my invention to provide an electric heating device for maintainingthe' chocolate at this uniform temperature, the heater acting either on the central pot or reservoir of the table or both on such pot or reservoir and on those portions oi" the table in which the dipping is done; and to obtain the heating in a uniform and perfectly controlled manner.

The accompanying drawings illustrate my invention.

Figure l is a perspective view of a chocolate table embodying one form-of my invention; Fig. 2 is a vertical section through the chocolate pot or reservoir and its heating means and the adja ent' part of the table; Fig. 3 is a diagram of the electrical connections; and Figs. 4 and 5 are views somewhat similar to Figs. 1 and 2 respectively, but showing a modified construction wherein both the chocolate reservoir and the di ping portions of the table are heated.

eferring firstlto the arrangements shown inFigs. 1 and 2, the top of the table 10 has a central opening to receive within it the chocolate-holding pot 1.1. and its heating mechanism. The chocolate pot or reservoir 11 conveniently has a 'round bottom and sloping sides and the top is provided with a flange 12 for resting on the table 10 whereby the chocolate pot is supported. The heating element 13 is mounted on legs 14 at the bottom of and'w'ithin a receptacle 15 into which the chocolate pot 11 depends, the receptacle 15 being provided at its upper edge with a rolled flange 16 which rests in a groove at the edge or the opening in thetable top 10, the chocolate pct 11 being spaced from the heater 13 and from the 25. As shown, there are twelve coils alto gether, four of each kind, the coils 23, 24,

and 25 differing among themselves in re: sistance value so as to have difierent heating eiiects, and each set of coilsthat is, the coils 23, or the coils 24, or the coils 25being. substantially equally distr buted throughout the casing 20. In other words, between each two lille'coils, such as two adjacent coils 23, there isone of each of the other kinds of coils, say a coil 24 and a coil 25. The ends of the corresponding coils are cross-connected by connectors 26 so that all the coils of one kind are in series. One set of corresponding ends of these three series I of coils are connected in common to a wire 27, which forms one side of a suitable sup-.

ply circuit for the heating current, the other side 28 of such circuit being connected through three switches 29, 30, and 31, to the other terminals of the three series of coils 23, 24, and 25 respectively.

By means of the three switches 29, 30, and 31, the three series of coils may all be connected in circuit in parallel, or any two of them may be connected in parallel with the third cut out, or any one may be connected in circuit with the other two out out, thus giving seven diilerent degrees of heat which may be obtained. Each set of heating coils 23, 24, or 25 acts uniformly throughout the casing 20 whether the other coils are acting or not, so that a uniform heating at the base of the receptacle 15 is always obtained. The heater 13 acts to heat the lower strata of air within the receptacle 15, causing such air to rise to displace the cooler air above it, the rising hot air striking the chocolate pot or reservoir 11 and heating it to maintain the chocolate at the desired temperature, and the falling air coming in contact with the heater 1;) and being heated thereby, thus causing anontinuous flow of convection currents for maintaining the chocolate at a uniform heat dit ms the arrangement shown in Figs. l

and 5 is used. In this arrangement there is the central chocolate pot or reservoir 11, which however made of an integral piece of metal with the table top 30, being separated from the latter by flanges 81. lhe table top 30 is surrounded by a flange 32, which with the flanges 31 forms two shallow trays on opposite sides of the reservoir 11, 11" a heater 13, of the construction already described, is located, being supported on legs 14 above the bottom of a receptacle 15. The bottom of this receptacle 15 is flat, but its sides flare upwardly and outwardly nearly to the outer: edges of the table top 30, forming an air space wherein hot air rising from the heater 13 may rise not only against the sides of the chocolate reservoir 11 but against the under surface of the table top 30. The upper edges of the sides of the receptacle l5 terminate in horizontal portioi'is' 33 spaced slightly from and below the table top SOso as to leave an air space, these portions 33 at their outer edges having upturned flanges 34 which support the edges or the table top 30. The bottom of the receptacle 15 and also the flanges 34 are perforated to coiiperate with sliding dampers and 36, by which air may be shut oil from the interior of the receptacle 15 to cause the chocolate reservoir 11 and the table top 30 'to be heated by convection currents as is the case in the arrangement shown in 1 and 2, or air may be admitted through the bottom of such receptacle, heated by the heater 1?), allowed to rise into contact with the chocolate pot 11 and the under side of the table top 30, and permitted to escape through the openings in the flanges 34-. The amount of this air flowmay thus be controlled or cut oil entirely by the dampers 35 and 36.

In order to vary the distribution of heat between the bottom of the chocolate pot 11 and the under side oi the table top 30, swinging baille plates 37 are provined at each side of the chocolate pot and close to the heater 13, these battle plates 37 being separately operable by suitable sliding rods 38 to deflect more or less of the air rising from the heater 13 away from the bottom of the chocolate pct 11, so that the relative Belo r the chocolate reservoin heating of the chocolate pot and of the ta- .ble top may be controlled and this control may be independent for the two sides of the table.

I claim as my invention:

1. A chocolate heating apparatus, comprising a chocolate reservoir, a receptacle into which said reservoir depends, and an electric heater located in the lower part of said receptacle, said reservoir being spaced from the heater and from the walls of the receptacle to provide an air space, and movable batlie plates tor deflecting to a greater or less extent the currents of air rising from the heater toward the reservoir.

2. A chocolate heating apparatus, comprising a chocolate reservoir, a receptacle into which said reservoir depends, and an electric heater located in the lower part of said receptacle, said reservoir being spaced from the heater and from the walls of the receptacle to provide an air space, said receptacle being provided with openings for permitting the flow of air therethrough,.

and a damper for controlling such flow of air.

3. A chocolate heating apparatus, comprising a chocolate reservoir, a receptacle into which said reservoir depends, and an electric heater located in the lower part of said receptacle, said reservoir being spaced from the heater and from the walls of the receptacle to provide an air space, said receptacle being provided with openings for permitting the flow of air therethrough.

4. A chocolate heating apparatus, comprising a table having a depression to form a chocolate reservoir, an electric heater located below and spaced from the bottom of said reservoir, and a receptacle in which said heater is mounted and which is located below the table and reservoir and spaced therefrom so as to affordan air space for the passage of heating air currents from the heater to the tinder side of the reservoir and table, and movable ballle plates controlling the flow of such air currents.

5. A chocolate heating apparatus, comprisinga table having a depression to form a chocolate reservoir, an electric heater located, below and spaced from the bottom of said reservoir, and areceptacle in which said heater is mounted and which is located belowthe table and reservoir and spaced therefrom so as to afford an air space for the passage of heating air currents from the heater to the under side of the reservolr and table, said receptacle being providedprising a table having a uePZESSiOIl t-Qform, inlet of air to the receptacle and with an a ehocoiane reservoir an elee lc heater 10- opening near the top for the outlet of air. cat-ed below and spaced from the bottom of 121 Witness whereof, I have hereunto see said reservoir, and a receptacle in which my hand at Indianapolis,Endiana, this: third 5 said heater is mounted and which is located day 0f Nevember, A. D one thousand nine below the table andfiresgm'oir and spaced hundred and fourteen. therel'rem so as to a 01' an air space for 1 17 e T the passage of heating air currents from a bull lMMmR' the heater to the under side of the reservoir In and table said receptacle being provided JOSEPHINE GASPER, with an opening belew the heater for the G. B

Witnesses 

